And finally, the feature "According to Greta" (1.21 million viewers, #17; adults 18-49: 0.4, #17) closed out the night on The CW (1.21 million viewers, #5; adults 18-49: 0.4, #5). In the netlet's target demo (women 18-34), the film posted a 0.6 rating.

In late-night metered market ratings (via NBC's press release):

In Nielsen's 56 metered markets, household results were: "The Tonight Show with Jay Leno," 2.6/6 with an encore telecast; CBS's "Late Show with David Letterman," 2.4/6 with an encore; and ABC's combo of "Nightline," 2.7/6; and "Jimmy Kimmel Live," 1.2/3 with an encore.

In the 25 markets with Local People Meters, adult 18-49 results were: "The Tonight Show with Jay Leno," 0.9/4 with an encore; "Late Show," 0.6/2 with an encore; "Nightline," 0.9/3; and "Jimmy Kimmel Live," 0.5/2 with an encore.

At 12:35 a.m., "Late Night with Jimmy Fallon" (1.4/4 in metered-market households with an encore) beat CBS's "Late Late Show with Craig Ferguson" (1.1/4 with an encore). In the 25 markets with Local People Meters, "Late Night" (0.6/3 in 18-49 with an encore) topped "Late Late Show" (0.3/2 with an encore).

At 1:35 a.m., "Last Call with Carson Daly" averaged a 0.9/3 in metered-market households with an encore and a 0.4/3 in adults 18-49 in the 25 markets with local people meters.

Here are the highlights of the 16 ad-sustained programs that aired in primetime on the broadcast networks one year ago (12/29/10):

And finally, The CW (1.35 million viewers, #5; adults 18-49: 0.5, #5) did the same with "Hellcats" (1.51 million viewers, #15; adults 18-49: 0.5, #T15) and another "Hellcats" (1.19 million viewers, #16; adults 18-49: 0.5, #T15).

Week-to-week changes (adults 18-49): Undercovers (-18.20%).

In late-night metered market ratings, NBC's "Leno" (3.0/7) took top honors over ABC's "Nightline" (2.7/6) and CBS's "Letterman" (2.6/6). Rounding out the night then were "Kimmel" (1.2/4) on ABC, "Ferguson" (1.3/4) on CBS and "Fallon" (1.4/4) and "Daly" (0.9/3) on NBC.